Ideally I'm looking for the wire at the factory navigation at the dash. I'm installing an aftermarket navigation unit along with an extensive audio system. Hopefully the VSS is separated at the nav unit and isn't part of a bus. I can't go to the sensors at the wheels, as the voltage is too low to trigger the system. Thanks for any help you may have, otherwise I'll have to spring for the electrical service manual. Props to you working on these wonderful cars, they must present some interesting troubleshooting problems sometimes!!!
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